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748 commits

Author SHA1 Message Date
Aliaksandr Valialkin
465923b181 app/vmselect/graphite: add /tags/findSeries handler from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#exploring-tags
 2020-11-16 12:53:13 +02:00
Aliaksandr Valialkin
414cd39659 app/vmselect/graphite: apply filter then limit 2020-11-16 04:09:14 +02:00
Aliaksandr Valialkin
d100341394 app/vmselect/graphite: add /tags/<tag_name> handler for Graphite Tags API 2020-11-16 03:42:25 +02:00
Aliaksandr Valialkin
6251762787 app/vmselect/graphite: add /tags handler from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#exploring-tags
 2020-11-16 03:00:01 +02:00
Aliaksandr Valialkin
48d033a198 app/vminsert: add /tags/tagSeries and /tags/tagMultiSeries handlers from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#adding-series-to-the-tagdb
 2020-11-16 02:39:58 +02:00
Aliaksandr Valialkin
d9d01f976b app/vmselect/promql: remove spikes from increase() and delta() results on time series with spare irregular data points 
Do not take into account spare data point value if the next point will is located too far from the current point.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/894
 2020-11-13 15:23:44 +02:00
Aliaksandr Valialkin
1f19c167a4 app/vmselect/promql: assume that time series value doesnt change during gaps when calculating increase() and delta() 
This should remove unexpected spikes at the end of gaps.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/894
 2020-11-13 14:59:24 +02:00
Aliaksandr Valialkin
47a038401b all: consistently return text-based HTTP responses with charset=utf-8 
This is a follow-up for https://github.com/VictoriaMetrics/VictoriaMetrics/pull/897
 2020-11-13 10:35:41 +02:00
faceair
077f8cbe1c
add charset on targets response (#897) 2020-11-13 10:17:37 +02:00
Aliaksandr Valialkin
4057305148 docs/vmagent.md: added a link to https://valyala.medium.com/how-to-use-relabeling-in-prometheus-and-victoriametrics-8b90fc22c4b2 into Relabeling section 2020-11-12 12:27:06 +02:00
Aliaksandr Valialkin
bb06b98202 docs/vmagent.md: typo fix 2020-11-11 16:04:46 +02:00
Aliaksandr Valialkin
4adb96161a docs/vmagent.md: add Configuration update section 2020-11-11 16:01:15 +02:00
immerrr again
51c529a2b6
app/vmstorage: add "/internal/force_flush" endpoint (#893) 2020-11-11 14:40:27 +02:00
Aliaksandr Valialkin
348edd92fe app/vmselect: add -search.treatDotsAsIsInRegexps command-line flag for automatic escaping of dots in regexp label filters 2020-11-11 12:39:07 +02:00
Aliaksandr Valialkin
47390d8947 app/vmselect/promql: do not return data points in the end of the selected time range for time series ending in the middle of the selected time range 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/887
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845
 2020-11-10 14:51:44 +02:00
Aliaksandr Valialkin
ba4a2c8bca app/vmselect: typo fix in a description for -search.minStalenessInterval: mimimum->minimum 2020-11-10 01:18:08 +02:00
Roman Khavronenko
3adf8c5a6f
vmalert: explicitly set extra labels to alert entities (#886) 
The previous implementation treated extra labels (global and rule labels) as
separate label set to returned time series labels. Hence, time series always contained
only original labels and alert ID was generated from sorted labels key-values.
Extra labels didn't affect the generated ID and were applied on the following actions:
- templating for Summary and Annotations;
- persisting state via remote write;
- restoring state via remote read.

Such behaviour caused difficulties on restore procedure because extra labels had to be dropped
before checking the alert ID, but that not always worked. Consider the case when expression
returns the following time series `up{job="foo"}` and rule has extra label `job=bar`.
This would mean that restored alert ID will be always different to the real time series because
of collision.

To solve the situation extra labels are now always applied beforehand and `vmalert` doesn't
store original labels anymore. However, this could result into a new error situation.
Consider the case when expression returns two time series `up{job="foo"}` and `up{job="baz"}`,
while rule has extra label `job=bar`. In such case, applying extra labels will result into
two identical time series and `vmalert` will return error:
 `result contains metrics with the same labelset after applying rule labels`

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/870
 2020-11-10 00:27:32 +02:00
Aliaksandr Valialkin
bcd139362b lib/promscrape: add -promscrape.dropOriginalLabels command-line flag for reducing memory usage when discovering big number of scrape targets 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/878
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825
 2020-11-10 00:19:57 +02:00
Aliaksandr Valialkin
83df20b5b5 lib/promscrape: clean references to label name and label value strings after applying per-target relabeling 
This should reduce memory usage when per-target relabeling creates big number of temporary labels
with long names and/or values.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/825
 2020-11-07 16:19:59 +02:00
Aliaksandr Valialkin
dd6bfa50e9 app/vmselect/promql: code cleanup after 43823addea 2020-11-06 01:30:50 +02:00
n4mine
43823addea
app/vmselect/promql: fix when the parameter of maxValue(), minValue() leading by NaN. it will cause {top,bottom}k_{max,min} return inappropriate result (#883) 2020-11-06 01:29:24 +02:00
Aliaksandr Valialkin
368b69b4c4 app/vmselect: properly handle errors in GetLabelsOnTimeRange and GetLabelValuesOnTimeRange 2020-11-05 01:38:38 +02:00
Aliaksandr Valialkin
b378cd6ed8 app/vmselect: optimize querying for /api/v1/labels and /api/v1/label/<name>/values when start and end args are set 2020-11-05 01:01:33 +02:00
Aliaksandr Valialkin
381ad564a2 docs/vmagent.md: update after 4c808d58bf 2020-11-04 20:31:43 +02:00
Nikolay
4c808d58bf
Adds ready probe (#874) 
* adds leading forward slash check for scrapeURL path
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/835

* adds ready probe for scrape config initialization,
it should prevent metrics loss during vmagent rolling update,
/ready api will return 425 http code, if some scrape config still waits for initialization.

* updates docs

* Update app/vmagent/README.md

* renames var

* Update app/vmagent/README.md

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2020-11-04 20:29:18 +02:00
Aliaksandr Valialkin
caeb74f068 app/vmselect: reduce memory usage when query touches big number of time series 2020-11-04 17:04:04 +02:00
Nikolay
e4182dd896
reduces memory usage for vmagent, (#880) 
* reduces memory usage for vmagent,
limits count of droppedTarget, that can be stored for /api/v1/targets page up to 999 items,
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/878

* Update app/vmagent/README.md

* Update app/vmagent/README.md

Co-authored-by: Aliaksandr Valialkin <valyala@gmail.com>
 2020-11-04 17:03:43 +02:00
Aliaksandr Valialkin
600f225cff Revert "docs/vmagent.md: mention about -promscrape.dropOriginalLabels" 
This reverts commit bd81f926a4.
 2020-11-04 11:44:57 +02:00
Aliaksandr Valialkin
bd81f926a4 docs/vmagent.md: mention about -promscrape.dropOriginalLabels 2020-11-04 11:16:33 +02:00
Aliaksandr Valialkin
e0a91ef163 app/vmagent/remotewrite: drop packets only on 409 status code, since there are other valid 4xx status codes, which shouldnt result in packet drop 2020-11-03 14:25:10 +02:00
Aliaksandr Valialkin
5e75c389e6 app/vmselect/promql: allow dropping trailing sample only for default_rollup function 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/850
 2020-11-02 02:10:59 +02:00
Aliaksandr Valialkin
0b35da159c app/vmagent/remotewrite: drop packets if remote storage returns 4xx status code 
This makes consistent the behaviour with Prometheus.
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/873
 2020-11-02 00:45:09 +02:00
Aliaksandr Valialkin
cb71af216a app/vmselect/promql: go fmt 2020-11-02 00:15:29 +02:00
Aliaksandr Valialkin
daacbc7e34 app/vmselect/promql: do not drop trailing datapoints for instant queries 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
 2020-11-02 00:12:37 +02:00
Aliaksandr Valialkin
e277c3d07b lib/promscrape: add stream parse mode for efficient scraping of targets that expose millions of metrics 2020-11-01 23:35:06 +02:00
Aliaksandr Valialkin
b7638f04a7 app/vmagent: expose /api/v1/targets page according to https://prometheus.io/docs/prometheus/latest/querying/api/#targets 
This page is exposed by vmagent and by a single-node VictoriaMetrics

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/643
 2020-11-01 23:35:06 +02:00
Aliaksandr Valialkin
c539494b36 app/vmselect/promql: allow passing optional third argument to topk_* and bottomk_* functions in order to obtain sum of time series outside top/bottom K 2020-11-01 23:35:06 +02:00
Roman Khavronenko
f0bdc5716e
vmalert: skip automatically added labels on alerts restore (#871) 
Label `alertgroup` was introduced in #611 and automatically added to generated
time series. By mistake, this new label wasn't correctly purged on restore event
and affected alert's ID uniqueness. This commit removes `alertgroup` label
in restore function.

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/870
 2020-10-30 08:18:20 +00:00
kreedom
a51a7b2a20
vmbackup fix panic when no origin fs given (#859) 
* use fsnil when no origin fs
 2020-10-28 20:09:10 +02:00
Aliaksandr Valialkin
5bfd4e6218 app/vmstorage: support for -retentionPeriod smaller than one month 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/173
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/17
 2020-10-20 14:31:44 +03:00
kreedom
ef77120170
vmalert - add dryRun (#842) 
vmalert: add `dryRun` flag for rules validation without running the service
 2020-10-20 08:15:21 +01:00
Seva Poliakov
b3f3c078e5 Fix typo in vnrestore readme 2020-10-18 15:41:39 +03:00
Aliaksandr Valialkin
28353e48ca app/vmselect/promql: an attempt to improve heuristics for dropping trailing data points in time series 
Now trailing data points are additionally dropped for time series with a single raw sample

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
 2020-10-17 10:44:34 +03:00
Roman Khavronenko
bc42b5598f
vmalert: update docs to highlight the state restore requirements; (#833) 
Address https://github.com/VictoriaMetrics/VictoriaMetrics/issues/830
 2020-10-13 18:32:43 +03:00
Aliaksandr Valialkin
a2b9476897 app/vmselect/promql: return a single time series at max from absent() function like Prometheus does 2020-10-13 15:56:04 +03:00
Aliaksandr Valialkin
9aa3b65766 app/vmselect/promql: improve time series staleness detection 
This should prevent from double counting for time series at the time when it changes label.
The most common case is in K8S, which changes pod uid label with each new deployment.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
 2020-10-13 12:19:57 +03:00
Aliaksandr Valialkin
d8af290947 app/vmselect/promql: fix mode_over_time calculations 
Previously `mode_over_time` could return garbage due to improper shuffling of input data points.
 2020-10-13 11:58:25 +03:00
Aliaksandr Valialkin
1e27420243 app/vmselect/prometheus: fix golangci-lint warning 2020-10-13 09:36:11 +03:00
Aliaksandr Valialkin
4f16a964e3 app/vmselect: add ability to export data in CSV format via /api/v1/export/csv 2020-10-12 20:08:17 +03:00
Aliaksandr Valialkin
63c4999e06 lib/promscrape: code prettifying after 9bd9f67718 2020-10-12 16:12:36 +03:00